javatools.filehandlers

Class CSVFile

java.lang.Object

javatools.filehandlers.CSVFile

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class CSVFile
extends java.lang.Object
implements java.io.Closeable

This class is part of the Java Tools (see http://mpii.de/yago-naga/javatools). It is licensed under the Creative Commons Attribution License (see http://creativecommons.org/licenses/by/3.0) by the YAGO-NAGA team (see http://mpii.de/yago-naga). The class allows writing data to a CSV file.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.io.Writer	out The output writer
protected boolean	quoteAll quote all components
protected boolean	quoteNever never quote
protected java.lang.String	separator Holds the separator

Constructor Summary

Constructors

Constructor and Description
CSVFile(java.io.File f)
CSVFile(java.io.File f, boolean append)
CSVFile(java.io.File f, boolean append, java.util.List<java.lang.String> columns)
CSVFile(java.io.File f, boolean append, java.lang.String... columns)
CSVFile(java.io.File f, boolean append, java.lang.String separator, java.util.List<java.lang.String> columns)
CSVFile(java.io.File f, java.util.List<java.lang.String> columns)
CSVFile(java.io.File f, java.lang.String... columns)
CSVFile(java.lang.String f)
CSVFile(java.lang.String f, boolean append)
CSVFile(java.lang.String f, boolean append, java.util.List<java.lang.String> columns)
CSVFile(java.lang.String f, boolean append, java.lang.String... columns)
CSVFile(java.lang.String f, java.util.List<java.lang.String> columns)
CSVFile(java.lang.String f, java.lang.String... columns)

Method Summary

Modifier and Type	Method and Description
void	close() Closes the file
protected java.lang.String	column(java.lang.Object c) Formats an entry
static void	main(java.lang.String[] args) Test method
void	neverQuote(boolean q) Sets quoting on/off (off by default)
void	setQuoting(boolean q) Sets optional quoting on/off (off by default)
void	write(java.util.List<? extends java.lang.Object> columns) Writes the columns to the file
void	write(java.lang.Object... columns) Writes the columns to the file

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

out

protected java.io.Writer out

The output writer

separator

protected java.lang.String separator

Holds the separator

quoteAll

protected boolean quoteAll

quote all components

quoteNever

protected boolean quoteNever

never quote

Constructor Detail

CSVFile

public CSVFile(java.io.File f,
               boolean append,
               java.lang.String separator,
               java.util.List<java.lang.String> columns)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.io.File f,
               boolean append,
               java.util.List<java.lang.String> columns)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.io.File f,
               boolean append,
               java.lang.String... columns)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.io.File f,
               boolean append)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.lang.String f,
               boolean append)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.io.File f)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.lang.String f)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.lang.String f,
               boolean append,
               java.util.List<java.lang.String> columns)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.lang.String f,
               boolean append,
               java.lang.String... columns)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.lang.String f,
               java.util.List<java.lang.String> columns)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.lang.String f,
               java.lang.String... columns)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.io.File f,
               java.util.List<java.lang.String> columns)
        throws java.io.IOException

Throws:

java.io.IOException

CSVFile

public CSVFile(java.io.File f,
               java.lang.String... columns)
        throws java.io.IOException

Throws:

java.io.IOException

Method Detail

setQuoting

public void setQuoting(boolean q)

Sets optional quoting on/off (off by default)

neverQuote

public void neverQuote(boolean q)

Sets quoting on/off (off by default)

write

public void write(java.util.List<? extends java.lang.Object> columns)
           throws java.io.IOException

Writes the columns to the file

Throws:

java.io.IOException

write

public void write(java.lang.Object... columns)
           throws java.io.IOException

Writes the columns to the file

Throws:

java.io.IOException

column

protected java.lang.String column(java.lang.Object c)

Formats an entry

close

public void close()

Closes the file

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Test method

Throws:

java.lang.Exception